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			55 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			55 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								///////////////////////////////////////////////////////////////////////////////////
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								// Copyright (C) 2019 Edouard Griffiths, F4EXB                                   //
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								//                                                                               //
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								// This program is free software; you can redistribute it and/or modify          //
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								// it under the terms of the GNU General Public License as published by          //
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								// the Free Software Foundation as version 3 of the License, or                  //
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								// (at your option) any later version.                                           //
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								//                                                                               //
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								// This program is distributed in the hope that it will be useful,               //
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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								// GNU General Public License V3 for more details.                               //
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								//                                                                               //
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								// You should have received a copy of the GNU General Public License             //
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								// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
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								///////////////////////////////////////////////////////////////////////////////////
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								#ifndef REMOTESINK_REMOTEOUTPUTFIFO_H_
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								#define REMOTESINK_REMOTEOUTPUTFIFO_H_
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								#include <vector>
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								#include <QObject>
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								#include <QMutex>
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								#include "channel/remotedatablock.h"
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								class RemoteOutputFifo : public QObject {
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								    Q_OBJECT
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								public:
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								    RemoteOutputFifo(QObject *parent = nullptr);
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								    RemoteOutputFifo(unsigned int size, QObject *parent = nullptr);
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								    ~RemoteOutputFifo();
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								    void resize(unsigned int size);
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								    void reset();
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								    RemoteDataBlock *getDataBlock();
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								    unsigned int readDataBlock(RemoteDataBlock **dataBlock);
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								    unsigned int getRemainder();
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								signals:
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								    void dataBlockServed();
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								private:
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								    std::vector<RemoteDataBlock> m_data;
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								    int m_size;
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								    unsigned int m_readHead;   //!< index of last data block processed
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								    unsigned int m_servedHead; //!< index of last data block served
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								    unsigned int m_writeHead;  //!< index of next data block to serve
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								    QMutex m_mutex;
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								    unsigned int calculateRemainder();
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								};
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								#endif // REMOTESINK_REMOTEOUTPUTFIFO_H_
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